ECS-MPI4040R3-1R2-R

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ECS-MPI4040R3-1R2-R is a kind of fixed inductor which is widely used in various electrical and electronic devices. It is mostly used as a gate drive transformer in Pulse Width Modulation (PWM) converter applications. It is also used in electric traction systems, resonant inverters, inverter welder, and scale power applications. It has an overall inductance tolerance of ±10%. Its inductance range is 0.05μH to 270μH and its rated temperature range is -55°C to 105°C.

Application fields

The ECS-MPI4040R3-1R2-R fixed inductors are used in a wide range of fields which include:

• Power conversion: It is used in various power conversion circuits such as AC/DC converters, DC/AC inverters, resonant inverters, etc.
• Electronic circuit protection: It can be used in various types of protection circuits such as high frequency overcurrent protection circuits, a variety of overcurrent protection circuits, overvoltage protection circuits, etc.
• Electronic circuit switching: It can be used in a variety of switching circuits such as low voltage, high current switching circuits, high voltage, low current switching circuits, etc.
• Refrigerator: It is used to control the speed of the compressor, thus regulating the cooling or heating of a refrigerator.
• Automobile: It is used in Automotive Fuel Injection (AFI) systems, fuel pumps, throttle body, etc.
• Telecommunication: It is used in various telecommunication devices such as mobile phones, PABXs, etc.
• Industrial automation: It is used in various industrial automation systems such as electrical drives, robots, etc.

Working Principle

Fixed inductors work on the principle of Faraday’s law of electromagnetic induction. This law states that a changing magnetic field generates an electric field. Thus, when an alternating current or voltage is applied to the inductor, a changing magnetic field is generated around the winding. The changing magnetic field generates a voltage that opposes the applied voltage or current, thereby dissipating some of the energy.

The inductance of a fixed inductor can be calculated from the formula: L = N² µ₀ A / l, where N is the number of turns, µ₀ is the permeability of free space, A is the cross-sectional area of the core and l is the length of the winding.

The current flowing through the inductor is then given by the formula: I = V / (2 π f_s L), where V is the applied voltage, f_s is the frequency of the source and L is the inductance.

The energy stored in an inductor is given by the formula: E = 1/2 LI², where L is the inductance and I is the current flowing through the inductor.

An ECS-MPI4040R3-1R2-R fixed inductor is usually composed of a core made of a ferrite material which is surrounded by a single or multiple coils of copper. The ferrite material used in the core increases the inductance by introducing magnetic field into the inductor. The copper coils are wound around the core at certain angles to form an inductor of desired inductance.

Conclusion

Fixed inductors are widely used in many electronic applications. The ECS-MPI4040R3-1R2-R fixed inductor is a type of fixed inductor which is widely used in power conversion, electronic circuit protection, electronic circuit switching, refrigerators, automobiles and telecommunication systems. It is generally composed of a ferrite core surrounded by copper coils. Its working principle is based on Faraday’s law of electromagnetic induction, which states that a changing magnetic field generates an electric field, thereby dissipating some of the energy.

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